11 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Iron deficiency anemia ... Burr Cell RBC (Echinocyte ... Bite Cell RBC: G6PD ... Unstable hemoglobin disorders ... hematology #microscopy #atlas
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... Mean corpuscular (cell ... Red cell distribution ... (BM) ablative disorders ... Algorithm #Diagnosis #Workup
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Thrombocytopenia and Platelet Disorders ... Diagnosis and Workup ... changes), high MCV anemia ... not required in all ... Diagnosis #Causes #Workup
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Consider sickle cell ... hypertension • Unusual RBC ... membrane disorder ... Diagnosis #Algorithm #workup
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
incompetent • CLL ... Lymphocytosis on CBC ... lymphoproliferative disorders ... • Neutropenia, anemia ... Leukemia #diagnosis #workup
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
concentrations in: RBCs ... • Hemolytic Anemias ... - Pernicious anemia ... paralyses CNS Disorders ... differential #diagnosis #Laboratory
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... more time for the laboratory ... metabolic or endocrine disorders ... #workup #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and fever) and laboratory ... ) • Endocrine disorders ... with: • Minimal laboratory ... lymphopenia, low PLT • Anemia ... titers > 1:80 • CBC
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• Autoimmune disorders ... Weight loss • Anemia ... Immune hemolytic anemia ... Hodgkin Lymphoma Workup ... platelets - WBC
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... myeloma • Plasma cell ... Connective tissue disorders ... autoimmune hepatitis, PBC ... anemia • Other